NAD-T765-avr-sma 电路图 维修手册.pdf
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1、NAD SERVICE MANUAL ADDENDIUM (W/O IPOD) T 765 T 765 Surround Sound Receiver Surround Sound Receiver DRAFT DATE: 20 Jun. 2008 BEFORE SERIAL NUMBER: T79T765G01306 RadioFans.CN 收音机爱 好者资料库 2 REAR PANEL VIEW REAR PANEL (FOR NO IPOD) 1. DIGITAL AUDIO IN/OUT 2. HDMI 3. COMPONENT IN &OUT 4. AUDIO 3/4 OUT 5.
2、 MONITOR(S-VIDEO,VIDEO) 6. AUDIO/VEDIO IN 7. 7.1 CH INPUT 8. XM MODULE INPUT(AH) DAB MODULE INOUT(C,CT) 9. RS-232 10. FM,AM ANTENNA INPUT 11. SOFT CLIPPING 12. +12V TRIGGER OUT 13. IR IN/OUT 14. ZONE 2,3,4 15. AUDIO PREOUT 16. SPEAKERS A, SPEAKER B 17. AC POWER INLET 18. SWITCHED AC OUTLET 19. POWER
3、 RadioFans.CN 收音机爱 好者资料库 3 PCB LAYOUT (FOR NO IPOD) COMPONENT BOARD-COMPONENT SIDE COMPONENT BOARD-COPPER SIDE RadioFans.CN 收音机爱 好者资料库 4 MCU BOARD-COMPONENT SIDE MCU BOARD-COPPER SIDE 5 CONNECTOR 1 BOARD-COMPONENT SIDE CONNECTOR 1 BOARD-COPPER SIDE 6 CONNECTOR-4 BOARD-COMPONENT SIDE 7 DVR IN Y SAT I
4、N Y SAT IN Cb DVR IN Cb DVR IN Cr SAT IN Cr DVD IN Cr COMPONENT OUT Cr COMPONENT OUT Cb DVD IN Cb DVD IN Y COMPONENT OUT Y 1 2 3 M4011-A 4 5 6 M4011-B 7 8 9 M4011-C 1 2 3 M4012-A 4 5 6 M4012-B 7 8 9 M4012-C R4011 75 R4012 75 C4011 2.2u 50V C4012 2.2u 50V C4014 2.2u 50V C4013 2.2u 50V R4014 75 R4013
5、75 R4015 75 R4016 75 C4015 2.2u 50V C4016 2.2u 50V C4017 2.2u 50V R4017 75 R4018 75 C4018 2.2u 50V R4019 75 C4019 2.2u 50V 1 Y0 2 Y2 3 Y 4 Y3 5 Y1 6 ENABLE 7 VEE 8 GND 9 B 10 A 11 X3 12 X0 13 X 14 X1 15 X2 16 VCC U4002 74HC4052 C4009 0.1u C4010 0.1u 1 Y0 2 Y2 3 Y 4 Y3 5 Y1 6 ENABLE 7 VEE 8 GND 9 B 1
6、0 A 11 X3 12 X0 13 X 14 X1 15 X2 16 VCC U4003 74HC4052 1 MUTE 2 INA 3 GNDA 4 INB 5 GNDB 6 7 INC 8 GND 9 OUTC2 10 OUTC1 11 12 OUTB2 13 OUTB1 14 OUTA2 15 OUTA1 16 VCC U4001 BA7660FS C4001 0.1u C4002 2.2u 50V C4006 10u50V C4007 10u 50V C4008 10u 50V R4004 470k R4005 470k R4006 470k C4003 1000u 10V C400
7、4 1000u 10V C4005 1000u 10V R4001 75 R4002 75 R4003 75 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 J4001A To Conn#1 J4001B VGND VGND VGND VGND +5VD VGND VGND VGND VGND +5VD VGND VGND +5VD VGND RGB_SEL_A RGB_SEL_B RG
8、B_SEL_A RGB_SEL_B Y_OUT CB_OUT CR_OUT +5VD VGND VGND VGND VGND VGND VGND CR_OUT VGND CB_OUT VGND Y_OUT VGND RGB_SEL_B VGND RGB_SEL_A VGND VGND CR_HDMI VGND CB_HDMI VGND Y_HDMI VGND +5VD VGND VGND RGB_MUTE VGND SCHEMATIC DIAGRAM (FOR NO IPOD) COMPONENT VIDEO 8 1206 0 OHM FOR CE R2017 & R2018 R2015 &
9、R2016 N.I. FOR CE 1P9_5 2P9_3 3P9_2 4P9_1 5P9_0 6CNVSS 7P8_7 8P8_6 9RESET 10XOUT 11VSS 12XIN 13VCC 14P8_5 15P8_4 16P8_3 17P8_2 18P8_1 19P8_0 20P7_7 21 P7_6 22 P7_5 23 P7_4 24 P7_3 25 P7_2 26 P7_1 27 P7_0 28 P6_7 29 P6_6 30 P6_5 31 P6_4 32 P3_7 33 P3_6 34 P3_5 35 P3_4 36 P3_3 37 P3_2 38 P3_1 39 P3_0
10、40 P6_3 41 P6_2 42 P6_1 43 P6_0 44 P2_7 45 P2_6 46 P2_5 47 P2_4 48 P2_3 49 P2_2 50 P2_1 51 P2_0 52 P1_7 53 P1_6 54 P1_5 55 P1_4 56 P1_3 57 P1_2 58 P1_1 59 P1_0 60 P0_7 61P0_6 62P0_5 63P0_4 64P0_3 65P0_2 66P0_1 67P0_0 68P10_7 69P10_6 70P10_5 71P10_4 72P10_3 73P10_2 74P10_1 75AVSS 76P10_0 77VREF 78AVC
11、C 79P9_7 80P9_6 U2001 M30280FCHP-U3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J2002A To Keyboard J2002B R2001 100k C2001 22u 16V 1 2 J2012A FAILSAFE 1 PW 2 GND 34 5 VCC U2006 AME8530 R2002 10k C2002 0.1u V+ NC OUT GND X2001 N.I. C2017 1000p R2003 0 C2003 0.1u C2004 47u 16V C2005 47u 16V C20
12、06 0.1u R2004 10k 1 2 3 45 6 7 8 U2002 AT24C16 C2007 0.1u C2008 1000u 10V R2005 N.I. R2006 N.I. 1 2 3 4 5 6 7 8 9 10 J2013A JTAG Connector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 J2003A To Mainboard J2003B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J2001A T
13、o Right Amp J2001B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 J2011A To Conn#4 J2011B L200110uH 11A 21B 31Y 42A 52B 62Y 7GND8 3Y 9 3A 10 3B 11 4Y 12 4A 13 4B 14 VCC U2005 74HC132 C2009 10u 16V C2010 0.1u R2007 100k R2008 N.I. R2010 0 D2001 LL4148 C2018 0.1u 50V R2011
14、1k R2009 10k R20134.7k R20144.7k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 J2009A To Conn#4 J2009B R2017 N.I. R2018 N.I. R20150 R20160 R2012 0 1 2 J2014A V+ NC OUT GND X2001A 20MHz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 J2007A To Conn#2
15、J2007B R2023 10k R2020 10k R2021 10k R2022 4.7k R2019 10k R2025 10k C2019 0.1u R20240 1 2 3 4 5 6 J2005A To Front Input J2005B 1 2 3 4 5 6 J2006A To Front Input J2006B 1 2 3 4 J2008A TO FRONT INPUT J2008B R20261k R2027 10k C2020 1u 50V E C B Q2007 DTA114EKA R2028 2.2k E C B Q2001 DTA114EKA R2031 2.2
16、k E C B Q2002 DTA114EKA R2032 2.2k Q2034 2.2k E C B Q2004 DTA114EKA R2033 2.2k E C B Q2003 DTA114EKA DGND +5V_K+5V_K+5V_K DGNDDGNDDGND +5V_K +5V_K DGNDDGNDDGNDDGND +5V_K DGND MCU IR_F IR_F IR_R EN02 EN01 EN01 EN02 VFD_CLK VFD_DATA VFD_CS 4094_STB KEY00 KEY01 KEY02 KEY03 RDS_CLK RDS_DATA DAB/XM_RXD +
17、5V_K CE SPI0_CLK_5V SPI0_SCS_5V INT_5V +5V_K DGND EE_SCL EE_SDA +5V_K DGND DGND +5V_K+39VAC4.8V1 AC4.8V2 THM_PRO +12V_D 4094(1)_STB DGND +5V_K VFD_CS VFD_CLK VFD_DATA EN01 EN02 4094_STB KEY00 KEY01 KEY02 KEY03 IR_F DGND +5V_K +39V AC4.8V1 AC4.8V2 +12V_D SC_1 SC_2 THM_PRO OVLD_PRO 4094(1)_STB 4094(1)
18、_DATA_AMP 4094(1)_CLK_AMP DGND DGND +5V_K +12V_D +5V_K DGND DGND +5V_K DGND +5V_K IR_F IR_F +5V_K DGND THM_PRO AUTO/OFF 15205_DATA_A 15205_DATA_B PLL_DI SPI0_ENA_5V VFD_RST 4094(6)_STB 4094(5)_STB 4094(1)_DATA 4094(1)_CLK STEREO TUNED PLL_DO PLL_DI RDS_CLK RDS_DATA STEREO TUNED PLL_DO PLL_DI RDS_CLK
19、 RDS_DATA +5V_V S_CLIP_IND AUTO/OFF 232_TXD 232_RXD DAB/XM_TXD VFD_CLK VFD_CS VFD_DATA PLL_CLK STEREO TUNED PLL_DO RTS1 CLK1 232_RXD 232_TXD PG10_SDA PG10_SCL S_CLIP_IND HP_DET POWER_ON MIC_BIAS KEY03 KEY02 KEY01 KEY00 TRIG_OUT_3 TRIG_OUT_2 TRIG_OUT_1 TRIG_IN SPI0_SOMI_5V SPI0_SIMO_5V DGND +5V_K+13V
20、 POWER_DOWN VFD_RST INT_5V SPI0_ENA_5V SPI0_SCS_5V SPI0_CLK_5V SPI0_SOMI_5V SPI0_SIMO_5V AGND DGND DGND +5V_K +5V_K DGND_V VFD_RST +5V_K +5V_K +5V_K RTS1 CLK1 232_RXD CE DGND 232_TXD RTS1 +5V_K CLK1 232_RXD CE DGND RESET CNVSS 232_TXD +5V_K DGND +39V+12V_D +12V_A -12V_AAC4.8V1AC4.8V2 +5V_K DGND +13V
21、 4094(6)_STB 4094(5)_STB 4094(1)_DATA 4094(1)_CLK V6_OPT DAB_IN SPI0_SIMO_5V SPI0_SOMI_5V SPI0_CLK_5V SPI0_SCS_5V SPI0_ENA_5V INT_5V V6_V V6_Y V6_C DGND_V HP_L HP_R AGND AGND MIC_BIAS HP_DET +12V_A-12V_A 78211/PLL_CE XM_PWR XM_PWR 4094(2)_STB 4094(2)_STB 4094(3)_STB 4094(3)_STB ANT_REV LINKACTIVE AN
22、T_REV LINKACTIVE ANT_REV LINKACTIVE DAB/XM_TXD DAB/XM_RXD DAB/XM_TXD DAB/XM_RXD DAB/XM_TXD DAB/XM_RXD 15205_DATA_A 78211/PLL_CE 15205_DATA_B PLL_CLK 4094(4)_STB 4094(4)_STB PLL_CLK 15205_DATA_B 78211/PLL_CE 15205_DATA_A XM_TXD XM_RXD AGND +39V AC4.8V2 AC4.8V1 +5V_K +5V_K +5V_K +5V_K DGND DGND DGND D
23、GND +15V +12V_A AGND -12V_A +15V +15V PG10_SCL PG10_SDA +12V_D +15V DGND $32086 $32324 DAB_IN SC_1 SC_2 S_CLIP_IND AUTO/OFF 232_TXD 232_RXD XM_PWR TRIG_IN TRIG_OUT_2 TRIG_OUT_1 DGND TRIG_OUT_3 +5V_V +5V_K +12V_D +12V_D +13V +13V TRIG_IN TRIG_OUT_1 TRIG_OUT_2 TRIG_OUT_3 POWER_ON IR_O_1 IR_O_2 IR_O_2
24、POWER_ON DGND +5V_K+5V_K +5V_K +5V_K +5V_K DGND IR_R IR_R IR_R_MIX V6_OPT +5V_V6 HP_DET MIC_BIAS +12V_A -12V_A V6_Y V6_C V6_V DGND_V AGND DGND_V DGND_V DGND_V +5V_V+5V_V +5V_V +5V_V DGND +5V_K DGNDDGND 4094(1)_DATA 4094(1)_CLK 4094(2)_STB 4094(4)_STB 4094(1)_STB 4094(6)_STB 4094(5)_STB 4094(3)_STB 4
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